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140672025 = 335213172341
BaseRepresentation
bin10000110001001…
…11110000011001
3100210200212202000
420120213300121
5242003001100
621543031213
73325456344
oct1030476031
9323625660
10140672025
1172450a7a
123b13b509
13231b41b0
141497b45b
15c53a900
hex8627c19

140672025 has 192 divisors, whose sum is σ = 314979840. Its totient is φ = 60825600.

The previous prime is 140671997. The next prime is 140672027. The reversal of 140672025 is 520276041.

It is not a de Polignac number, because 140672025 - 26 = 140671961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140672025.

It is not an unprimeable number, because it can be changed into a prime (140672027) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3431005 + ... + 3431045.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2140672025 is an apocalyptic number.

140672025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140672025 is an abundant number, since it is smaller than the sum of its proper divisors (174307815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140672025 is a wasteful number, since it uses less digits than its factorization.

140672025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140672025 is about 11860.5238079943. The cubic root of 140672025 is about 520.0789143055.

The spelling of 140672025 in words is "one hundred forty million, six hundred seventy-two thousand, twenty-five".